ALSA: intel_hdmi: Check for error num after setting mask

To maintain the consistency of the code, it should be better to add the
sanity check after calling dma_set_mask_and_coherent(), like
tegra_pcm_dma_allocate() in `sound/soc/tegra/tegra_pcm.c`.

Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20220107020851.3095591-1-jiasheng@iscas.ac.cn


Signed-off-by: Takashi Iwai <tiwai@suse.de>